Dwyer Instruments SERIES SFI-100, SERIES SFI-300, SERIES SFI-300F, SERIES SFI-400, SERIES SFI-700 Catalog Page

SERIES SFI-100, SFI-300, SFI-300F, SFI-400 & SFI-700 | W. E. ANDERSON™ BY DWYER

MIDWEST SIGHT FLOW INDICATORS

FLOW

Inexpensive Protection for Expensive Equipment and Systems

Model 100, 100MP ++

The Series SFI Midwest Sight Flow Indicator is a Series of sight indicators which

display ow or contents of pipelines. Available in window viewing style in the SFI-100 and SFI-300 Series and tube viewing style in the SFI-400 and SFI-700 Series with connection choices of female NPT, BSPP or BSPT threaded and anged.

Series SFI-100 & SFI-300 Midwest Sight Flow Indicator offers threaded process

connections, viewing windows, and bodies of brass or 316 SS. The SFI-100 type has

a single window with a rotating impeller, the 300 type has a double window with a

rotating impeller, the SFI-350 type has a double window with no moving indicator, and the SFI-360 type has a double window with a apper.

Series SFI-300F Midwest Sight Flow Indicator offers ANSI ange process connections, double viewing windows, and bodies of carbon steel or 316 SS. The SFI350F type has a double window with no moving indicator and the SFI-360F type has a double window with a apper.

Series SFI-400 Midwest Sight Flow Indicator offers threaded or ANSI anged process connections, tube style viewing, and bodies of cast iron or 316 SS.

Series SFI-700 Midwest Sight Flow Indicator offers threaded process connections, tube style viewing, and bodies of brass or 316 SS.

FEATURES/BENEFITS

• Manufactured of quality materials and safety tested to assure long, dependable service at economical prices

• All Series SFI-100, SFI-300 and SFI-300F feature a removable window for easy

service and replacement of wearing parts

• The Series SFI-400 features glass tube construction offering easy ow viewing

from any angle

• Series SFI-700 offers an easy to see bright

red Acetal rotating impeller that is easy to

Sight Flow Indicators

view from any angle with the glass tube construction

• Maintenance is simple for the Series SFI-700

with internal wipers which restore full 360° visibility by simply rotating the glass tube

without disrupting the ow

APPLICATIONS

• Hydraulic tanks

• Pressure vessels

• Coolant tanks

• Hydraulic lines

• Oil reservoirs

MODEL CHART Model Description SFI-100

Single window with impeller

SFI-300

Double window with impeller

SFI-350

Double window with no indicator

SFI-360

Double window with apper

SFI-400

Tube type with no indicator

SFI-700

Tube type with impeller and internal wipers to clean glass tube

++ USA: California Proposition 65 WARNING: Cancer and Reproductive Harm

- www.P65Warnings.ca.gov

Model 300, 300MP ++

DIMENSIONS AND WEIGHT Model Body Size Length Depth Height Flange Diameter Viewing Area Diameter Weight lb (kg) SFI-100 1/4, 3/8

SFI-300 1/4, 3/8

SFI-700 1/4, 3/8

SFI-400 1/2

SFI-400F 1

SFI-300F 1-1/2

Dimensions are in inches (mm)

1/2, 3/4 1, 1-1/4 1-1/2, 2

1/2, 3/4 1, 1-1/4, 1-1/2

3/4 1 1-1/4 1-1/2 2 3 4

1-1/4 1-1/2 2 3 4

2 3 4 6

3.000 (76)

4.000 (102)

4.375 (111)

5.688 (144)

3.063 (78)

4.063 (103)

4.375 (111)

5.500 (140)

2.750 (70)

3.688 (94)

4.875 (124)

4.500 (144)

5.125 (130)

5.625 (143)

5.750 (146)

5.875 (149)

6.125 (156)

6.250 (159)

5.000 (127)

5.125 (130)

5.250 (133)

5.370 (137)

5.750 (146)

6.375 (162)

6.500 (165)

8.875 (225)

10.250 (260)

12.500 (318)

DWYER INSTRUMENTS, INC. 268

Model 360F

Model 400

SPECIFICATIONS SFI-100 & SFI-300 SPECIFICATIONS

Service: Compatible gases and liquids. Wetted Materials: Window: Tempered

glass; Body: Bronze or 316 SS; Gasket:

Buna-N, uoroelastomer or PTFE;

Indicator: ABS or 316 SS impeller (100

and 300), 304 SS or 316 SS apper

(360).

Temperature Limit: 200°F (93°C); 120°F (48°C) on W2 option; 170°F (77°C) on I1 option. Pressure Limit: 125 psig (8.62 bar), 150 psig (10.34 bar) on “MP” models.

Connections: Threaded. Mounting Orientation: Horizontal or

vertical; 360: Horizontal only.

SFI-300F SPECIFICATIONS Service: Compatible gases and liquids. Wetted Materials: Window: Tempered

glass; Body: Carbon steel or 316 SS;

Gasket: Buna-N, uoroelastomer or PTFE; Indicator: 316 SS apper (360).

Temperature Limit: 200°F (93°C). Pressure Limit: 150 psig (10.34 bar). Connections: Flanged. Mounting Orientation: Horizontal or

vertical; 360: Horizontal only.

1.813 (46)

2.250 (57)

2.563 (65)

3.250 (83)

2.250 (57)

2.750 (70)

3.125 (79)

3.688 (93)

2.125 (54)

2.563 (65)

2.625 (67)

3.625 (83)

2.125 (54)

2.563 (65)

4.063 (103)

1.500 (38)

2.250 (57)

2.750 (70) (across ats)

3.500 (89)

3.875 (98)

4.250 (108)

4.625 (117)

5.000 (127)

6.000 (152)

7.500 (191)

9.00 (229)

4.250 (108)

4.625 (117)

5.000 (127)

6.000 (152)

7.500 (191)

9.000 (229)

5.000 (127)

6.000 (152)

7.500 (191)

9.000 (229)

11.000 (279)

Model 700 ++

SFI-400 SPECIFICATIONS Service: Compatible gases and liquids. Wetted Materials: Tube: Borosilicate;

Body: Cast iron or 316 SS; Gasket:

PTFE.

Temperature Limit: 200°F (93°C). Pressure Limit: 50 psig (3.45 bar). Connections: Threaded or anged.

SFI-700 SPECIFICATIONS Service: Compatible gases and liquids. Wetted Materials: Tube: Tempered

borosilicate; Body: Brass or 316 SS;

Gasket: Fluoroelastomer; Indicator:

Acetal.

Temperature Limit: 212°F (100°C). Pressure Limit: 230 psig (15.86 bar). Connections: Threaded.

1.500 (38)

1.750 (44)

2.000 (51)

2.500 (64)

3.000 (76)

4.000 (102)

5.000 (127)

2.000 (51)

2.500 (64)

3.000 (76)

4.000 (102)

5.000 (127)

2.313 (58)

3.000 (76)

4.000 (102)

6.000 (152)

1.1 (0.5)

1.5 (0.7)

2.7 (1.2)

5.5 (2.5)

1.7 (0.8)

2.6 (1.2)

3.0 (1.4)

7.0 (3.2)

0.9 (0.4)

2.4 (1.1)

5.1 (2.3)

3.8 (1.7)

4.8 (2.2)

6.2 (2.8)

7.6 (3.5)

8.7 (4.0)

13 (6.0)

17 (7.7)

25 (11.0)

7 (3.2) 8 (3.6)

12 (5.5) 14 (6.4) 23 (10.4) 31 (14.1)

12 (5.5)

16 (7.5) 38 (17)

56 (25) 120 (55)

SERIES SFI-100, SFI-300, SFI-300F, SFI-400 & SFI-700 | W. E. ANDERSON™ BY DWYER

MIDWEST SIGHT FLOW INDICATORS

Inexpensive Protection for Expensive Equipment and Systems

FLOW

MODEL CHART SFI-100 & SFI-300 - WINDOW STYLE WITH THREADED CONNECTIONS Example SFI -300 SS -2 -G2 SFI-300SS-2-G2 Model

Designator Body Style 100

Body Options

Body Size 1/4

Options W2

Note: Maximum ow on impeller models: 5 FPS with liquids, 5000 FPM with gases.

MODEL CHART SFI-300F - WINDOW STYLE WITH FLANGED CONNECTIONS Example SFI -360FSS -1-1/2 -G1 SFI-360FSS-1-1/2-G1 Model

Designator Body Style 350FCS

Body Size 1-1/2

Options G1G2PTFE gasket

SFI Sight ow indicator

300 350

360

SS MP

3/8 1/2 3/4 1 1-1/4 1-1/2 2

SFI Sight ow indicator

350FSS 360FCS 360FSS

2 3 4 6

Single window, bronze body, ABS impeller Double window, bronze body, ABS impeller Double window, bronze body, no moving

indicator

Double window, bronze body, 304 SS apper

316 SS body option for 300, 350, 360 150 psig maximum pressure option, includes uoroelastomer gaskets

1/4 inch connection size 3/8 inch connection size 1/2 inch connection size 3/4 inch connection size 1 inch connection size 1-1/4 inch connection size 1-1/2 inch connection size 2 inch connection size

Plexiglass window

PTFE gasket

Fluoroelastomer gasket

316 SS shaft (not on 350 model)

Monel shaft (not on 350 model)

ABS impeller with bronze bushing (not on 350, 360)

316 SS impeller (not on 350, 360)

No impeller (100 only)

316 SS apper (360 only)

BSPT

BSPT threads

BSPP

BSPP threads

Carbon steel body, no moving indicator 316 SS body, no moving 316 SS indicator

Carbon steel body, 316 SS apper 316 SS body, 316 SS apper

1-1/2 inch raised face ange connection size 2 inch raised face ange connection size 3 inch raised face ange connection size 4 inch raised face ange connection size 6 inch raised face ange connection size

Fluoroelastomer gasket

MODEL CHART SFI-400 - TUBE STYLE WITH THREADED OR FLANGED CONNECTIONS Example SFI -400SS -1-1/2 SFI-400SS-1-1/2 Model

Designator Body Style 400CI

Body Size 1/2

Note: Best for use in vertical pipelines where there are no mechanical strains.

SFI Sight ow indicator

Female NPT connections, cast iron body (only

400SS 400F

for 1 through 2 inch sizes)

Female NPT connections, 316 SS body

Raised face ange connection, 316 SS body (only for 1 inch and up sizes)

1/2 inch connection size

3/4

3/4 inch connection size

1 inch connection size

1-1/4

1-1/4 inch connection size

1-1/2

1-1/2 inch connection size

2 inch connection size

3 inch connection size

4 inch connection size

Sight Flow Indicators

MODEL CHART SFI-700 - TUBE STYLE WITH THREADED CONNECTIONS Example SFI -700SS -1-1/2 -BSPT SFI-700SS-1-1/2-BSPT Model

Designator Body Style 700

Body Size 1/4

Options BSPT

SFI Sight ow indicator

700SS

3/8 1/2 3/4 1 1-1/4 1-1/2

Brass body 316 SS body

1/4 inch female NPT connection size 3/8 inch female NPT connection size 1/2 inch female NPT connection size 3/4 inch female NPT connection size 1 inch female NPT connection size 1-1/4 inch female NPT connection size 1-1/2 inch female NPT connection size

BSPT threads

BSPP

BSPP threads

USA: California Proposition 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

DWYER INSTRUMENTS, INC.

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